Finding the Third Proportional to 79,359 and 170,256

Step by Step Solution

1. Step 1: Write the proportion equation
   79,359 : 170,256 = 170,256 : x
2. Step 2: Convert to fraction form
   79,359/170,256 = 170,256/x
3. Step 3: Cross multiply
   79,359x = 170,256 × 170,256
4. Step 4: Simplify right side
   79,359x = 28,987,105,536
5. Step 5: Solve for x
   x = 28,987,105,536/79,359
6. Step 6: Final answer
   x = 365,265.51